ASROCK PHANTOM GAMING 4 B550 User Manual
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ASROCK PHANTOM GAMING 4 B550 User Manual

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Summary of Contents for ASROCK PHANTOM GAMING 4 B550

  • Page 2 (including damages for loss of profits, loss of business, loss of data, interruption of business and the like), even if ASRock has been advised of the possibility of such damages arising from any defect or error in the documentation or product.
  • Page 3 If you require assistance please call ASRock Tel : +886-2-28965588 ext.123 (Standard International call charges apply) The terms HDMI®...

  • Page 4: Table Of Contents

    -Ready Graphics Cards 2.8.2 Driver Installation and Setup M.2_SSD (NGFF) Module Installation Guide (M2_1) 2.10 M.2 WiFi/BT Module Installation Guide (M2_2) 2.11 M.2_SSD (NGFF) Module Installation Guide (M2_3) Chapter 3 Software and Utilities Operation Installing Drivers ASRock Motherboard Utility (Phantom Gaming Tuning)
  • Page 5 ASRock Live Update & APP Shop 3.3.1 UI Overview 3.3.2 Apps 3.3.3 BIOS & Drivers 3.3.4 Setting Nahimic Audio ASRock Polychrome SYNC Chapter 4 UEFI SETUP UTILITY Introduction 4.1.1 UEFI Menu Bar 4.1.2 Navigation Keys Main Screen OC Tweaker Screen Advanced Screen 4.4.1 CPU Configuration...
  • Page 6 Security Screen Boot Screen Exit Screen...

  • Page 7: Chapter 1 Introduction

    If you require technical support related to this motherboard, please visit our website for specific information about the model you are using. You may find the latest VGA cards and CPU support list on ASRock’s website as well. ASRock website http://www.asrock.com.

  • Page 8: Specifications

    /4666(OC)/4600(OC)/4533(OC)/4466(OC)/4400(OC)/4333(O C)/4266(OC)/4200(OC)/4133(OC)/4000(OC)/3866(OC)/3800 (OC)/3733(OC)/3600(OC)/3466(OC)/3200/2933/2667/2400 /2133 ECC & non-ECC, un-buffered memory* * Please refer to Memory Support List on ASRock's website for more information. (http://www.asrock.com/) * Please refer to page 21 for DDR4 UDIMM maximum frequency support. • Max. capacity of system memory: 128GB • Supports Extreme Memory Profile (XMP) memory modules...
  • Page 9 B550 Phantom Gaming 4 AMD Ryzen series CPUs (Matisse) Expansion Slot • 2 x PCI Express x16 Slots (PCIE1: Gen4x16 mode; PCIE3: Gen3 x4 mode)* AMD Ryzen series APUs (Renoir) • 2 x PCI Express x16 Slots (PCIE1: Gen3x16 mode; PCIE3: Gen3 x4 mode)* * Supports NVMe SSD as boot disks • 2 x PCI Express 3.0 x1 Slots...
  • Page 10 Gen3x4 (32 Gb/s) (with Renoir)** • 1 x M.2 Socket (M2_3), supports M Key type 2242/2260/2280 M.2 SATA3 6.0 Gb/s module and M.2 PCI Express module up to Gen3 x2 (16 Gb/s)** ** Supports NVMe SSD as boot disks ** Supports ASRock U.2 Kit...
  • Page 11 B550 Phantom Gaming 4 Connector • 1 x COM Port Header • 1 x SPI TPM Header • 1 x Power LED and Speaker Header • 2 x RGB LED Headers * Support in total up to 12V/3A, 36W LED Strip • 2 x Addressable LED Headers * Support in total up to 5V/3A, 15W LED Strip • 1 x CPU Fan Connector (4-pin)
  • Page 12 • ErP/EuP ready (ErP/EuP ready power supply is required) * For detailed product information, please visit our website: http://www.asrock.com Please realize that there is a certain risk involved with overclocking, including adjust- ing the setting in the BIOS, applying Untied Overclocking Technology, or using third- party overclocking tools.

  • Page 13: Motherboard Layout

    B550 Phantom Gaming 4 1.3 Motherboard Layout RGB_LED2 CPU_FAN1 ADDR_LED2 CPU_FAN2/WP ATX12V2 ATX12V1 USB 3.2 Gen1 T: USB3_3 B: USB3_4 USB 3.2 Gen1 Top: T: USB3_5 RJ-45 B: USB3_6 CHA_FAN3/WP SPI_TPM_J1 PCIE1 Hyper M.2 PCIe Gen4 x4 M2_WIFI_CT1 RoHS B550 PCIE2 PCIE3 SUPER...
  • Page 14 No. Description CPU Fan / Waterpump Fan Connector (CPU_FAN2/WP) ATX 12V Power Connector (ATX12V1) ATX 12V Power Connector (ATX12V2) CPU Fan Connector (CPU_FAN1) 2 x 288-pin DDR4 DIMM Slots (DDR4_A1, DDR4_B1) 2 x 288-pin DDR4 DIMM Slots (DDR4_A2, DDR4_B2) RGB LED Header (RGB_LED2) Addressable LED Header (ADDR_LED2) ATX Power Connector (ATXPWR1) USB 3.2 Gen1 Header (USB3_7_8)

  • Page 15: I/O Panel

    B550 Phantom Gaming 4 1.4 I/O Panel No. Description No. Description PS/2 Mouse/Keyboard Port USB 3.2 Gen1 Ports (USB3_5_6) LAN RJ-45 Port* USB 3.2 Gen1 Ports (USB3_3_4) Line In (Light Blue)** Antenna Bracket Front Speaker (Lime)** HDMI Port Microphone (Pink)** USB 3.2 Gen1 Ports (USB3_1_2) * There are two LEDs on each LAN port.

  • Page 16: Chapter 2 Installation

    Chapter 2 Installation This is an ATX form factor motherboard. Before you install the motherboard, study the configuration of your chassis to ensure that the motherboard fits into it. Pre-installation Precautions Take note of the following precautions before you install motherboard components or change any motherboard settings.

  • Page 17: Installing The Cpu

    B550 Phantom Gaming 4 2.1 Installing the CPU Unplug all power cables before installing the CPU.

  • Page 19: Installing The Cpu Fan And Heatsink

    B550 Phantom Gaming 4 2.2 Installing the CPU Fan and Heatsink After you install the CPU into this motherboard, it is necessary to install a larger heatsink and cooling fan to dissipate heat. You also need to spray thermal grease between the CPU and the heatsink to improve heat dissipation.
  • Page 21 B550 Phantom Gaming 4 Installing the AM4 Box Cooler SR2...
  • Page 23 B550 Phantom Gaming 4 *The diagrams shown here are for reference only. The header might be in a different position on your motherboard.
  • Page 24 Installing the AM4 Box Cooler SR3...
  • Page 25 B550 Phantom Gaming 4...
  • Page 26 +12V *The diagrams shown here are for reference only. The header might be in a different position on your motherboard.

  • Page 27: Installing Memory Modules (Dimm)

    B550 Phantom Gaming 4 2.3 Installing Memory Modules (DIMM) This motherboard provides four 288-pin DDR4 (Double Data Rate 4) DIMM slots, and supports Dual Channel Memory Technology. 1. For dual channel configuration, you always need to install identical (the same brand, speed, size and chip-type) DDR4 DIMM pairs.
  • Page 28 Ryzen Series APUs (Renoir): UDIMM Memory Slot Frequency (Mhz) 3200 3200 3200 3200 2933 SR/DR SR/DR 2667 SR/DR SR/DR SR/DR SR/DR 2667 SR: Single rank DIMM, 1Rx4 or 1Rx8 on DIMM module label DR: Dual rank DIMM, 2Rx4 or 2Rx8 on DIMM module label...
  • Page 29 B550 Phantom Gaming 4 The DIMM only fits in one correct orientation. It will cause permanent damage to the motherboard and the DIMM if you force the DIMM into the slot at incorrect orientation.

  • Page 30: Expansion Slots (Pci Express Slots)

    2.4 Expansion Slots (PCI Express Slots) There are 4 PCI Express slots on the motherboard. Before installing an expansion card, please make sure that the power supply is switched off or the power cord is unplugged. Please read the documentation of the expansion card and make necessary hardware settings for the card before you start the installation.

  • Page 31: Jumpers Setup

    B550 Phantom Gaming 4 2.5 Jumpers Setup The illustration shows how jumpers are setup. When the jumper cap is placed on the pins, the jumper is “Short”. If no jumper cap is placed on the pins, the jumper is “Open”. Clear CMOS Jumper (CLRCMOS1) 2-pin Jumper...

  • Page 32: Onboard Headers And Connectors

    2.6 Onboard Headers and Connectors Onboard headers and connectors are NOT jumpers. Do NOT place jumper caps over these headers and connectors. Placing jumper caps over the headers and connectors will cause permanent damage to the motherboard. System Panel Header Connect the power PLED+ PLED-...
  • Page 33 B550 Phantom Gaming 4 SPEAKER Power LED and Speaker Please connect the DUMMY Header chassis power LED and DUMMY (7-pin SPK_PLED1) the chassis speaker to this (see p.7, No. 20) header. PLED+ PLED+ PLED- Serial ATA3 Connectors These six SATA3 (SATA3_1: connectors support SATA see p.7, No.
  • Page 34 Front Panel Audio Header This header is for PRESENCE# MIC_RET (9-pin HD_AUDIO1) connecting audio devices OUT_RET (see p.7, No. 30) to the front audio panel. OUT2_L J_SENSE OUT2_R MIC2_R MIC2_L 1. High Definition Audio supports Jack Sensing, but the panel wire on the chassis must support HDA to function correctly.
  • Page 35 B550 Phantom Gaming 4 CPU Fan / Waterpump This motherboard pro- FAN_VOLTAGE CPU_FAN_SPEED Fan Connector vides a 4-Pin CPU fan FAN_SPEED_CONTROL (4-pin CPU_FAN2/WP) (Quiet Fan) connector. (see p.7, No. 1) If you plan to connect a 3-Pin CPU fan, please connect it to Pin 1-3.
  • Page 36 SPI TPM Header This connector supports SPI SPI_DQ3 (13-pin SPI_TPM_J1) +3.3V Trusted Platform Module (TPM) TPM_Present (see p.7, No. 11) system, which can securely SPI_MOSI RST# TPM_PIRQ store keys, digital certificates, passwords, and data. A TPM SPI_TPM_CS# system also helps enhance RSMRST# network security, protects digital SPI_MISO...

  • Page 37: Post Status Checker

    B550 Phantom Gaming 4 2.7 Post Status Checker Post Status Checker (PSC) diagnoses the computer when users power on the machine. It emits a red light to indicate whether the CPU, memory, VGA or stor- age is dysfunctional. The lights go off if the four mentioned above are functioning normally.

  • Page 38: Tm Operation Guide

    2.8 CrossFireX and Quad CrossFireX Operation Guide This motherboard supports CrossFireX and Quad CrossFireX that allows you to install up to two identical PCI Express x16 graphics cards. 1. You should only use identical CrossFireX -ready graphics cards that are AMD certified.
  • Page 39 B550 Phantom Gaming 4 Step 3 Connect a VGA/DVI/DP/HDMI cable from the monitor to the corresponding port on the graphics card installed to the PCIE1 slot.

  • Page 40: Driver Installation And Setup

    2.8.2 Driver Installation and Setup Step 1 Power on your computer and boot into OS. Step 2 Remove the AMD drivers if you have any VGA drivers installed in your system. The Catalyst Uninstaller is an optional download. We recommend using this utility to uninstall any previously installed Catalyst drivers prior to installation.
  • Page 41 B550 Phantom Gaming 4 2.9 M.2_SSD (NGFF) Module Installation Guide (M2_1) The M.2, also known as the Next Generation Form Factor (NGFF), is a small size and versatile card edge connector that aims to replace mPCIe and mSATA. The Hyper M.2 Socket (M2_1) supports M Key type 2260/2280/22110 M.2 PCI Express module up to Gen4x4 (64 Gb/s) (with Matisse) or Gen3x4 (32 Gb/s) (with Renoir).
  • Page 42 Step 3 Move the standoff based on the module type and length. The standoff is placed at the nut location C by default. Skip Step 3 and 4 and go straight to Step 5 if you are going to use the default nut. Otherwise, release the standoff by hand.
  • Page 43 XP941-512G (MZHPU512HCGL) SanDisk PCIe SD6PP4M-128G SanDisk PCIe SD6PP4M-256G TEAM PCIe3 x4 TM8FP2240G0C101 TEAM PCIe3 x4 TM8FP2480GC110 PCIe3 x4 WDS256G1X0C-00ENX0 (NVME) PCIe3 x4 WDS512G1X0C-00ENX0 (NVME) For the latest updates of M.2_SSD (NFGG) module support list, please visit our website for details: http://www.asrock.com...

  • Page 44: Wifi/Bt Module Installation Guide (M2_2)

    2.10 M.2 WiFi/BT Module Installation Guide (M2_2) The M.2, also known as the Next Generation Form Factor (NGFF), is a small size and versatile card edge connector that aims to replace mPCIe and mSATA. The M.2 Socket (Key E) supports type 2230 WiFi/BT module. * The M.2 socket does not support SATA M.2 SSDs.
  • Page 45 B550 Phantom Gaming 4 Step 3 Gently insert the WiFi/BT module into the M.2 slot. Please be aware that the module only fits in one orientation. Step 4 Tighten the screw with a screwdriver to secure the module into place. Please do not overtighten the screw as this might damage the module.

  • Page 46: M.2_Ssd (Ngff) Module Installation Guide (M2_3)

    2.11 M.2_SSD (NGFF) Module Installation Guide (M2_3) The M.2, also known as the Next Generation Form Factor (NGFF), is a small size and versatile card edge connector that aims to replace mPCIe and mSATA. The M.2 Socket (M2_3) supports type 2242/2260/2280 M.2 SATA3 6.0 Gb/s module and M.2 PCI Express module up to Gen3 x2 (16 Gb/s).
  • Page 47 B550 Phantom Gaming 4 Step 3 Move the standoff based on the module type and length. The standoff is placed at the nut location C by default. Skip Step 3 and 4 and go straight to Step 5 if you are going to use the default nut.
  • Page 48 INTEL 6000P-SSDPEKKF512G7 (nvme) Intel PCIe INTEL 600P-SSDPEKKW256G7-256GB (nvme) Kingston PCIe Kingston SHPM2280P2 / 240G (Gen2 x4) SanDisk PCIe SanDisk-SD6PP4M-128G(Gen2 x2) Samsung PCIe Samsung XP941-MZHPU512HCGL(Gen2x4) For the latest updates of M.2_SSD (NFGG) module support list, please visit our website for details: http://www.asrock.com...

  • Page 49: Chapter 3 Software And Utilities Operation

    B550 Phantom Gaming 4 Chapter 3 Software and Utilities Operation 3.1 Installing Drivers The Support CD that comes with the motherboard contains necessary drivers and useful utilities that enhance the motherboard’s features. Running The Support CD To begin using the support CD, insert the CD into your CD-ROM drive. The CD automatically displays the Main Menu if “AUTORUN”...

  • Page 50: Asrock Motherboard Utility (Phantom Gaming Tuning)

    Gaming Tuning) ASRock Motherboard Utility (Phantom Gaming Tuning) can be downloaded from ASRock Live Update & APP Shop. After the installation, you will find the icon “AS- Rock Motherboard Utility (Phantom Gaming Tuning)“ on your desktop. Double- click the “ASRock Motherboard Utility (Phantom Gaming Tuning) "...
  • Page 51 B550 Phantom Gaming 4 OC Tweaker Configurations for overclocking the system. System Info View information about the system. *The System Browser tab may not appear for certain models.
  • Page 52 Settings Configure ASRock Motherboard Utility (Phantom Gaming Tuning). Click to select "Auto run at Windows Startup" if you want ASRock Motherboard Utility (Phantom Gaming Tuning) to be launched when you start up the Windows operating system.

  • Page 53: Asrock Live Update & App Shop

    Double-click on your desktop to access ASRock Live Update & APP Shop utility. *You need to be connected to the Internet to download apps from the ASRock Live Update & APP Shop. 3.3.1 UI Overview Category Panel Hot News...

  • Page 54: Apps

    3.3.2 Apps When the "Apps" tab is selected, you will see all the available apps on screen for you to download. Installing an App Step 1 Find the app you want to install. The most recommended app appears on the left side of the screen. The other various apps are shown on the right.
  • Page 55 B550 Phantom Gaming 4 Step 3 If you want to install the app, click on the red icon to start downloading. Step 4 When installation completes, you can find the green "Installed" icon appears on the upper right corner. To uninstall it, simply click on the trash can icon *The trash icon may not appear for certain apps.
  • Page 56 Upgrading an App You can only upgrade the apps you have already installed. When there is an available new version for your app, you will find the mark of "New Version" appears below the installed app icon. Step 1 Click on the app icon to see more details. Step 2 Click on the yellow icon to start upgrading.

  • Page 57: Bios & Drivers

    B550 Phantom Gaming 4 3.3.3 BIOS & Drivers Installing BIOS or Drivers When the "BIOS & Drivers" tab is selected, you will see a list of recommended or critical updates for the BIOS or drivers. Please update them all soon. Step 1 Please check the item information before update.

  • Page 58: Setting

    3.3.4 Setting In the "Setting" page, you can change the language, select the server location, and determine if you want to automatically run the ASRock Live Update & APP Shop on Windows startup.

  • Page 59: Nahimic Audio

    B550 Phantom Gaming 4 3.4 Nahimic Audio Nahimic audio software provides an incredible high definition sound technology which boosts the audio and voice performance of your system. Nahimic Audio interface is composed of four tabs : Audio, Microphone, Sound Tracker and Settings. There are four functions in Nahimic audio : Function Description...

  • Page 60: Asrock Polychrome Sync

    3.5 ASRock Polychrome SYNC ASRock Polychrome SYNC is a lighting control utility specifically designed for unique indi- viduals with sophisticated tastes to build their own stylish colorful lighting system. Simply by connecting the LED strip, you can customize various lighting schemes and patterns, including Static, Breathing, Strobe, Cycling, Music, Wave and more.
  • Page 61 B550 Phantom Gaming 4 Connecting the Addressable RGB LED Strip Connect your Addressable RGB LED strips to the Addressable LED Headers (ADDR_LED1 / ADDR_LED2) on the motherboard. ADDR_LED2 DO_ADDR VOUT ADDR_LED1 DO_ADDR VOUT CP U DRAM VG A B OOT 1.
  • Page 62 ASRock Polychrome SYNC Utility Now you can adjust the RGB LED color through the ASRock Polychrome SYNC Utility. Download this utility from the ASRock Live Update & APP Shop and start coloring your PC style your way! Drag the tab to customize your preference.

  • Page 63: Chapter 4 Uefi Setup Utility

    B550 Phantom Gaming 4 Chapter 4 UEFI SETUP UTILITY 4.1 Introduction This section explains how to use the UEFI SETUP UTILITY to configure your system. You may run the UEFI SETUP UTILITY by pressing <F2> or <Del> right after you power on the computer, otherwise, the Power-On-Self-Test (POST) will continue with its test routines.

  • Page 64: Navigation Keys

    4.1.2 Navigation Keys Use < > key or < > key to choose among the selections on the menu bar, and use < > key or < > key to move the cursor up or down to select items, then press <Enter>...

  • Page 65: Main Screen

    B550 Phantom Gaming 4 4.2 Main Screen When you enter the UEFI SETUP UTILITY, the Main screen will appear and display the system overview.

  • Page 66: Oc Tweaker Screen

    4.3 OC Tweaker Screen In the OC Tweaker screen, you can set up overclocking features. Because the UEFI software is constantly being updated, the following UEFI setup screens and descriptions are for reference purpose only, and they may not exactly match what you see on your screen.
  • Page 67 B550 Phantom Gaming 4 frequency. Power saving features for idle cores (e.g. cc6 sleep) remain active. CCD0 CCX0 Frequency (MHz) Use this item to adjust CCX0 Frequency. CCX1 Frequency (MHz) Use this item to adjust CCX1 Frequency. CCD1 CCX0 Frequency (MHz) Use this item to adjust CCX0 Frequency.
  • Page 68 DRAM Information DRAM Frequency If [Auto] is selected, the motherboard will detect the memory module(s) inserted and assign the appropriate frequency automatically. Setting DRAM Frequency can adjust DRAM Timing. DRAM Voltage Configure the voltage for the DRAM Voltage. Infinity Fabric Frequency and Dividers AMD Overclocking Setup Set Infinity Fabric frequency (FCLK).
  • Page 69 B550 Phantom Gaming 4 VDDP Configure the voltage for the VDDP. Chipset 1.05V Voltage Configure the voltage for the Chipset 1.05V Voltage. Save User Default Type a profile name and press enter to save your settings as user default. Load User Default Load previously saved user defaults.

  • Page 70: Advanced Screen

    4.4 Advanced Screen In this section, you may set the configurations for the following items: CPU Configuration, Onboard Devices Configuration, Storage Configuration, ACPI Con- figuration, Trusted Computing, AMD CBS, AMD PBS and AMD Overclocking. Setting wrong values in this section may cause the system to malfunction. UEFI Configuration Active Page on Entry Select the default page when entering the UEFI setup utility.

  • Page 71: Cpu Configuration

    B550 Phantom Gaming 4 4.4.1 CPU Configuration PSS Support Use this to enable or disable the generation of ACPI_PPC, _PSS, and _PCT objects. NX Mode Use this to enable or disable NX mode. SVM Mode When this is set to [Enabled], a VMM (Virtual Machine Architecture)can utilize the additional hardware capabilities provided by AMD-V.

  • Page 72: Onboard Devices Configuration

    4.4.2 Onboard Devices Configuration Turn On LED in S5 Turn on LED in the ACPI S5 state. SR-IOV Support Enable/disable the SR-IOV (Single Root IO Virtualization Support) if the system has SR-IOV capable PCIe devices. UMA Frame buffer Size (Only for processor with integrated graphics) This item allows you to set the size of the UMA frame buffer.
  • Page 73 B550 Phantom Gaming 4 WAN Radio Configure the WiFi module's connectivity. BT On/Off Enable/disable the bluetooth. PS2 Y-Cable Enable the PS2 Y-Cable or set this option to Auto.

  • Page 74: Storage Configuration

    4.4.3 Storage Configuration SATA Mode AHCI: Supports new features that improve performance. RAID: Combine multiple disk drives into a logical unit. SATA Hot Plug Enable/disable the SATA Hot Plug function.

  • Page 75: Acpi Configuration

    B550 Phantom Gaming 4 4.4.4 ACPI Configuration Suspend to RAM It is recommended to select auto for ACPI S3 power saving. Deep Sleep Configure deep sleep mode for power saving when the computer is shut down. PS/2 Keyboard S4/S5 Wakeup Support Allow the system to be waked up by a PS/2 Keyboard in S4/S5.

  • Page 76: Trusted Computing

    4.4.5 Trusted Computing Security Device Support Enable or disable BIOS support for security device.

  • Page 77: Amd Cbs

    B550 Phantom Gaming 4 4.4.6 AMD CBS The AMD CBS menu accesses AMD specific features.

  • Page 78: Amd Pbs

    4.4.7 AMD PBS The AMD PBS menu accesses AMD specific features.

  • Page 79: Amd Overclocking

    B550 Phantom Gaming 4 4.4.8 AMD Overclocking The AMD Overclocking menu accesses options for configuring CPU frequency and voltage.

  • Page 80: Tools

    4.5 Tools Easy RAID Installer Easy RAID Installer helps you to copy the RAID driver from the support CD to your USB storage device. After copying the drivers please change the SATA mode to RAID, then you can start installing the operating system in RAID mode. SSD Secure Erase Tool Use this tool to securely erase SSD.

  • Page 81: Hardware Health Event Monitoring Screen

    B550 Phantom Gaming 4 4.6 Hardware Health Event Monitoring Screen This section allows you to monitor the status of the hardware on your system, including the parameters of the CPU temperature, motherboard temperature, fan speed and voltage. CPU FAN1 Setting Select a fan mode for CPU Fan 1, or choose Customize to set 5 CPU temperatures and assign a respective fan speed for each temperature.
  • Page 82 CPU Fan 2 Temp Source Select a fan temperature source for CPU Fan 2. CHA_FAN1/WP Switch Select CHA_FAN1 or Water Pump mode. Chassis Fan 1 Control Mode Select PWM mode or DC mode for Chassis Fan 1 . Chassis Fan 1 Setting Select a fan mode for Chassis Fan 1, or choose Customize to set 5 CPU temperatures and assign a respective fan speed for each temperature.
  • Page 83 B550 Phantom Gaming 4 Chassis Fan 3 Temp Source Select a fan temperature source for Chassis Fan 3. CHA_FAN4/WP Switch Select CHA_FAN4 or Water Pump mode. Chassis Fan 4 Control Mode Select PWM mode or DC mode for Chassis Fan 4. Chassis Fan 4 Setting Select a fan mode for Chassis Fan 3, or choose Customize to set 5 CPU temperatures and assign a respective fan speed for each temperature.
  • Page 84 4.7 Security Screen In this section you may set or change the supervisor/user password for the system. You may also clear the user password. Supervisor Password Set or change the password for the administrator account. Only the administrator has authority to change the settings in the UEFI Setup Utility. Leave it blank and press enter to remove the password.
  • Page 85 B550 Phantom Gaming 4 4.8 Boot Screen This section displays the available devices on your system for you to configure the boot settings and the boot priority. Boot From Onboard LAN Allow the system to be waked up by the onboard LAN. Setup Prompt Timeout Configure the number of seconds to wait for the setup hot key.
  • Page 86 CSM (Compatibility Support Module) Enable to launch the Compatibility Support Module. Please do not disable unless you’re running a WHCK test. Above 4G Decoding Enable or disable 64bit capable Devices to be decoded in Above 4G Address Space (only if the system supports 64 bit PCI decoding). Launch PXE OpROM Policy Select UEFI only to run those that support UEFI option ROM only.
  • Page 87 B550 Phantom Gaming 4 Full Screen Logo Enable to display the boot logo or disable to show normal POST messages. AddOn ROM Display Enable AddOn ROM Display to see the AddOn ROM messages or configure the Ad- dOn ROM if you’ve enabled Full Screen Logo. Disable for faster boot speed.
  • Page 88 4.9 Exit Screen Save Changes and Exit When you select this option the following message, “Save configuration changes and exit setup?” will pop out. Select [OK] to save changes and exit the UEFI SETUP UTILITY. Discard Changes and Exit When you select this option the following message, “Discard changes and exit setup?”...
  • Page 89 Contact Information If you need to contact ASRock or want to know more about ASRock, you’re welcome to visit ASRock’s website at http://www.asrock.com; or you may contact your dealer for further information. For technical questions, please submit a support request form at http://www.asrock.com/support/tsd.asp...
  • Page 90 DECLARATION OF CONFORMITY Per FCC Part 2 Section 2.1077(a) Responsible Party Name: ASRock Incorporation Address: 13848 Magnolia Ave, Chino, CA91710 Phone/Fax No: +1-909-590-8308/+1-909-590-1026 hereby declares that the product Product Name : Motherboard B550 Phantom Gaming 4 Model Number : Conforms to the following speci cations:...
  • Page 91 EU Declaration of Conformity For the following equipment: Motherboard (Product Name) B550 Phantom Gaming 4 / ASRock (Model Designation / Trade Name) ASRock Incorporation (Manufacturer Name) 2F., No.37, Sec. 2, Jhongyang S. Rd., Beitou District, Taipei City 112, Taiwan (R.O.C.) (Manufacturer Address) EMC —Directive 2014/30/EU (from April 20th, 2016)

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